stus = [
    [2014111,97,92,81,60],
    [2014112,65,92,81,60],
    [2014113,87,99,81,60],
    [2014114,34,92,81,60],
    [2014115,34,92,81,60],
    [2014116,23,92,81,60],
]

print(stus[2][1]) # 第3个学生 第1成绩

stus2 = {
    2014111:[97,92,81,60],
    2014112:[65,92,81,60],
    2014113:[87,99,81,60],
    2014114:[34,92,81,60],
    2014115:[34,92,81,60],
    2014116:[23,92,81,60]
}
print(stus2)

print(stus2[2014113][0],stus2[2014113][1])


stus3 = {
    2014111:
    {
        'chinese':65,
        'math':97,
        'english':88,
        'history':99
    },
    2014112:{
        'chinese':65,
        'math':97,
        'english':88,
        'history':99
    }
}

print(stus3[2014112]["math"])

# 如果是列表 通过索引访问
# 如果是字典 通过key访问